Open-source rag software
1097 open-source libraries, tools and applications tagged rag, ranked by how closely rag is their primary purpose, then by adoption and maintenance health. Each entry links to a page with sources, use cases and when to choose or avoid it.
1097 products, primary matches first, then adoption-weighted; health v2 shown.
| Product | Health v2 | Stars | Maturity |
|---|---|---|---|
| Gel Gel is an open-source graph-relational database built on top of Postgres, combining a strict object-type schema, the EdgeQL query language,… | 55 | 14176 | active |
| andrewyng/context-hub Context Hub (chub) is an npm-distributed CLI that gives coding agents curated, versioned, language-specific API documentation stored as mar… | 54 | 13976 | active |
| Omi Omi is an open-source AI wearable and companion app ecosystem (necklace pendant, smart glasses, desktop and mobile apps) that captures conv… | 89 | 13763 | active |
| Fay Digital Human Framework Fay is an open-source Python digital human framework that connects 2.5D/3D/mobile/web digital humans or OpenAI-compatible LLMs to business … | 75 | 13549 | active |
| InsForge/InsForge InsForge is an open-source, all-in-one backend platform (BaaS) designed for AI coding agents, bundling Postgres, auth, storage, realtime, e… | 86 | 13129 | active |
| ShishirPatil/gorilla Gorilla is a UC Berkeley research project for training and evaluating LLMs to make function/tool calls, including the OpenFunctions fine-tu… | 52 | 13044 | active |
| Orchestra-Research/AI-Research-SKILLs An open-source library of ~98 packaged 'skills' (knowledge modules) that turn AI coding agents like Claude Code, Codex, or Gemini into auto… | 69 | 12991 | active |
| PaddlePaddle/PaddleNLP PaddleNLP is an easy-to-use NLP and large language model development kit built on the PaddlePaddle deep learning framework, with a large pr… | 59 | 12977 | active |
| codexu/note-gen NoteGen is an open-source, cross-platform, local-first Markdown note-taking app built with Tauri and Next.js that separates quick capture (… | 87 | 12896 | active |
| Bisheng BISHENG is an open-source LLM DevOps (LLMOps) platform for building enterprise AI applications, offering GenAI workflow orchestration, RAG,… | 92 | 12032 | active |
| H2O h2oGPT is an Apache-2.0 open-source application for chatting with local, private LLMs and querying/summarizing your own documents (PDFs, Wo… | 10 | 11942 | active |
| Arize Phoenix Arize Phoenix is an open-source AI observability and evaluation platform for tracing, debugging, and evaluating LLM applications. It suppor… | 95 | 11875 | active |
| tensorzero/tensorzero TensorZero is an open-source LLMOps platform that unifies an LLM gateway, observability, evaluation, optimization, and experimentation behi… | 10 | 11716 | active |
| CocoIndex CocoIndex is an open-source incremental data framework for AI, with a Rust engine and a declarative Python API that keeps sources (files, S… | 84 | 11711 | active |
| LanceDB LanceDB is an open-source embedded vector database and multimodal AI lakehouse built on the Lance columnar format, written in Rust with Pyt… | 94 | 11706 | active |
| xiaozhi-esp32 A self-hosted backend server for the xiaozhi-esp32 open-source smart hardware project, implementing the Xiaozhi communication protocol over… | 83 | 10810 | active |
| VoltAgent/voltagent VoltAgent is an open-source TypeScript framework for building production-ready AI agents with memory, tools, RAG, guardrails, MCP, voice, a… | 82 | 10773 | active |
| baptisteArno/typebot.io Typebot is a fair-source, self-hostable visual chatbot builder that lets users create advanced conversational apps and forms with 45+ build… | 97 | 10507 | active |
| FalkorDB FalkorDB is an ultra-fast, multi-tenant property graph database built on GraphBLAS sparse adjacency matrices, queryable via OpenCypher with… | 92 | 10490 | active |
| RunAnywhere RunAnywhere is a set of cross-platform SDKs (Swift, Kotlin, React Native, Flutter, TypeScript, C++) over a shared C++ core for running AI m… | 86 | 10332 | active |
| Apache SeaTunnel Apache SeaTunnel is a distributed, high-performance data integration platform for synchronizing massive amounts of data across hundreds of … | 90 | 9700 | stable |
| TencentCloud/Octop Octop is an open-source, self-hosted AI assistant built on a multi-agent, multi-user architecture that runs entirely on your own machine. I… | 81 | 9697 | active |
| OpenWhispr/openwhispr OpenWhispr is an open-source, privacy-first voice-to-text dictation desktop app for macOS, Windows, and Linux. It supports fully local tran… | 83 | 9595 | active |
| openclaw/clawhub ClawHub is the public skill and plugin registry for OpenClaw, letting users publish, version, search, and install text-based agent skills (… | 80 | 9522 | active |
| databendlabs/databend Databend is an open-source, cloud-native data warehouse built in Rust that runs entirely on object storage (S3, Azure, GCS). It unifies BI … | 90 | 9471 | active |
| oumi-ai/oumi Oumi is an open-source Python framework and platform for the end-to-end lifecycle of open-weight LLMs: data synthesis, fine-tuning (SFT, Lo… | 91 | 9407 | active |
| xberg-io/xberg Xberg is a polyglot document intelligence framework with a Rust core that extracts text, metadata, tables, images, and structured data from… | 88 | 9400 | active |
| CoAI.Dev (Chat Nio) CoAI.Dev is a self-hostable, multi-tenant AI platform combining a ChatGPT-style chat UI with an enterprise-grade unified LLM gateway suppor… | 50 | 9323 | active |
| jeecgboot/jimureport JimuReport is a free Java-based reporting and data visualization platform with an Excel-like web designer for complex reports, printing, da… | 92 | 8539 | active |
| zai-org/ChatGLM-6B ChatGLM-6B is an open-source bilingual (Chinese-English) 6.2B-parameter dialogue language model based on the GLM architecture, optimized fo… | 31 | 40938 | maintenance |
| OpenDCAI/DataFlow DataFlow is a Python framework for preparing, cleaning, and synthesizing data for LLM training and RAG using composable LLM-based operators… | 77 | 8201 | active |
| GetStream/Vision-Agents An open-source Python framework by Stream for building low-latency real-time voice and video AI agents. It provides 35+ provider plugins (O… | 83 | 8172 | active |
| NullClaw NullClaw is an autonomous AI assistant/agent runtime written in Zig, distributed as a tiny static binary (~678 KB, ~1 MB RAM, <2 ms startup… | 69 | 8104 | active |
| Osaurus Osaurus is a native Swift macOS application that acts as a local-first AI harness, running open models on Apple Silicon (via MLX and Apple … | 82 | 8060 | active |
| evidentlyai/evidently Evidently is an open-source Python framework for evaluating, testing, and monitoring ML and LLM-powered systems, with 100+ built-in metrics… | 97 | 7984 | active |
| adithya-s-k/omniparse OmniParse is a self-hosted ingestion and parsing platform that converts unstructured data (documents, images, audio, video, web pages) into… | 46 | 7932 | active |
| 2FastLabs/agent-squad Agent Squad is an open-source framework for orchestrating multiple AI agents, routing each user query to the most suitable specialized agen… | 89 | 7780 | active |
| EricLBuehler/mistral.rs mistral.rs is a fast and flexible LLM inference engine written in Rust, supporting many model families with quantization (ISQ/UQFF, GGUF), … | 92 | 7741 | active |
| tailcallhq/forgecode ForgeCode is an open-source, Rust-based CLI coding agent (AI pair programmer) that integrates LLMs from 300+ providers directly into the te… | 85 | 7637 | active |
| Osmantic/ODS ODS (Osmantic Deployment System) is a self-hosted AI server installer and runtime that turns a PC, Mac, or Linux machine into a private AI … | 82 | 7605 | active |
| apurvsinghgautam/robin Robin is an AI-powered dark web OSINT investigation tool that uses LLMs to refine queries, filter results from dark web search engines, and… | 86 | 7440 | active |
| QuivrHQ/MegaParse MegaParse is a Python library that parses PDFs, Word, PowerPoint, Excel, CSV, and text documents into LLM-friendly formats with a focus on … | 26 | 7414 | active |
| Feast Feast is an open-source feature store for machine learning that manages offline stores for historical training data and low-latency online … | 99 | 7327 | stable |
| gaozhangmin/boxplayer BoxPlayer is a cross-platform desktop application that unifies multiple cloud drives (Aliyun Drive, Baidu, 115, Quark, OneDrive, etc.), loc… | 99 | 7276 | active |
| Zipstack/unstract Unstract is an open-source, LLM-driven platform that extracts structured JSON data from unstructured documents such as PDFs, images, and sc… | 87 | 7270 | active |
| xerrors/Yuxi Yuxi is a self-hosted, multi-tenant knowledge agent platform that unifies RAG, knowledge graph construction (Milvus + Neo4j), LangGraph mul… | 84 | 7256 | active |
| dwzhu-pku/PaperBanana PaperBanana is a reference-driven multi-agent framework that automatically generates publication-ready academic illustrations such as metho… | 52 | 7150 | active |
| enricoros/big-AGI Big-AGI is an open-source AI workspace web application that lets users chat with many state-of-the-art LLM providers (OpenAI, Anthropic, Ge… | 91 | 7147 | active |
| datajuicer/data-juicer Data-Juicer is a Python library and data processing system for cleaning, deduplicating, synthesizing, and analyzing data for foundation mod… | 94 | 7132 | active |
| Vespa Vespa is an open-source, distributed AI search platform and serving engine that combines full-text search, vector/tensor search, and machin… | 93 | 7117 | stable |
| deeppavlov/DeepPavlov DeepPavlov is an open-source Python NLP library built on PyTorch and Hugging Face transformers for developing, training, and deploying stat… | 35 | 6995 | active |
| mckaywrigley/chatbot-ui Chatbot UI is an open-source, self-hostable web chat application for conversing with any AI model, with chat history and multi-model suppor… | 31 | 33349 | maintenance |
| InternLM/MindSearch MindSearch is an open-source, LLM-based multi-agent framework that mimics human cognition to perform deep web searches, similar to Perplexi… | 24 | 6943 | active |
| mishushakov/llm-scraper A TypeScript library that turns any webpage into structured data using LLMs, built on Playwright and the Vercel AI SDK. It supports multipl… | 68 | 6937 | active |
| adbar/trafilatura Trafilatura is a Python package and command-line tool for crawling the web and extracting main text, metadata, and comments from raw HTML w… | 94 | 6914 | active |
| postgresml/postgresml PostgresML is a PostgreSQL extension that brings machine learning and AI inference directly into the database, with GPU acceleration and pg… | 32 | 6823 | active |
| openai/openai-cs-agents-demo A demo application from OpenAI implementing a customer service chat experience using the OpenAI Agents SDK, with a Python backend for multi… | 41 | 6575 | active |
| microsoft/call-center-ai An AI-powered call center service that lets you initiate or receive phone calls handled by an LLM-driven agent via a simple API call. Built… | 65 | 6570 | active |
| Materialize Materialize is a streaming database that uses incremental computation to maintain always-fresh, strongly consistent SQL views over data fro… | 100 | 6386 | active |
| joeseesun/qiaomu-anything-to-notebooklm A Claude Code Skill that ingests content from 15+ sources (WeChat articles, web pages, YouTube, PDFs, EPUB, Office docs, audio) and uploads… | 69 | 6347 | active |
| MaiBot MaiBot (MaiSaka) is an open-source, LLM-powered conversational agent designed to behave like a warm, human-like 'digital life form' in QQ g… | 84 | 6338 | active |
| Harbor Harbor is a Python framework from the creators of Terminal-Bench for evaluating and optimizing AI agents and language models in containeriz… | 86 | 6309 | active |
| JimmyLv/BibiGPT-v1 BibiGPT is an AI-powered web application that summarizes videos and audio from platforms like Bilibili, YouTube, TikTok, and podcasts, gene… | 54 | 6241 | active |
| vllm-project/semantic-router vLLM Semantic Router is an open-source programmable routing and control layer for building Mixture-of-Models systems across heterogeneous L… | 81 | 6233 | active |
| Shaunwei/RealChar RealChar is an open-source application for creating, customizing, and talking to AI characters/companions in realtime via voice or text. It… | 45 | 6211 | active |
| HelixDB/helix-db HelixDB is an open-source OLTP graph-vector database written in Rust that combines labeled property graphs with native vector, full-text, a… | 85 | 6205 | active |
| TideDra/zotero-arxiv-daily A Python tool deployed as a GitHub Action that recommends new arXiv (and bioRxiv/medRxiv/chemRxiv) papers daily based on the contents of yo… | 79 | 6002 | active |
| Lemonade Lemonade is a local AI server that runs optimized LLMs (plus image, speech, and embedding models) on your own GPU and NPU, exposing OpenAI-… | 83 | 5937 | active |
| shibing624/MedicalGPT MedicalGPT is a Python training framework for building medical-domain large language models using the full ChatGPT-style training pipeline:… | 86 | 5843 | active |
| OpenAI PHP OpenAI PHP is a community-maintained PHP SDK for interacting with the OpenAI API, covering chat, responses, embeddings, audio, images, fine… | 94 | 5836 | active |
| AidLux (AidLearning) AidLux (originally AidLearning) is an AIoT development platform that runs a native Ubuntu Linux environment with GUI, deep learning tooling… | 63 | 5812 | active |
| Eventual-Inc/Daft Daft is a high-performance distributed data engine with a Python dataframe API, implemented in Rust, designed for AI and multimodal workloa… | 95 | 5804 | active |
| RuoYi-AI RuoYi AI is an open-source, enterprise-grade full-stack AI assistant platform built in Java on the RuoYi ecosystem and LangChain4j. It unif… | 91 | 5761 | active |
| Gen-Verse/OpenClaw-RL OpenClaw-RL is a framework for training personalized AI agents through reinforcement learning using natural conversation as feedback. It us… | 49 | 5722 | active |
| ServiceStack ServiceStack is a full-featured, message-based web services framework for .NET that lets you declare typed Request DTOs once and generate A… | 98 | 5496 | active |
| winfunc/deepreasoning DeepReasoning is a high-performance Rust-based LLM inference API and chat UI that combines DeepSeek R1's chain-of-thought reasoning traces … | 28 | 5361 | active |
| superduper-io/superduper Superduper is an open-source Python framework for building database-integrated AI applications and agents, connecting models, embeddings, a… | 44 | 5329 | active |
| DeepResearch A TypeScript agent that iteratively searches the web, reads webpages, and reasons with an LLM (Gemini, OpenAI, or local) until it finds a c… | 55 | 5237 | active |
| katanaml/sparrow Sparrow is an open-source framework for structured data extraction from documents (PDFs, images) using ML, LLMs, and Vision LLMs, with sche… | 92 | 5225 | active |
| InternLM/xtuner XTuner is an open-source LLM training engine from InternLM designed for fine-tuning ultra-large-scale Mixture-of-Experts (MoE) models, with… | 68 | 5211 | active |
| Kiln-AI/Kiln Kiln is a free desktop app and MIT-licensed Python library for the full AI development loop: evals, prompt optimization, RAG, agents, fine-… | 91 | 5207 | active |
| Transformer Lab Transformer Lab is an open-source desktop application (built with Electron and Python) that provides a unified GUI for training, fine-tunin… | 82 | 5195 | active |
| exa-labs/exa-mcp-server An open-source MCP (Model Context Protocol) server that connects AI assistants and agents to Exa's web search, code search, content fetchin… | 66 | 5112 | active |
| huggingface/text-embeddings-inference Text Embeddings Inference (TEI) is a Rust-based toolkit from Hugging Face for deploying and serving open-source text embedding, re-ranker, … | 93 | 5079 | active |
| clidey/whodb WhoDB is a lightweight, self-hosted database management workspace that lets teams explore schemas, edit data, run queries, and visualize re… | 86 | 5033 | active |
| LangWatch LangWatch is an open-source LLMOps platform for LLM evaluation, AI agent testing, tracing, and production observability. It combines agent … | 91 | 4983 | active |
| going-doer/Paper2Code PaperCoder is a multi-agent LLM system that automatically generates a code repository from a machine learning research paper via a planning… | 49 | 4982 | active |
| campfirein/byterover-cli ByteRover CLI (brv) is a TypeScript-based interactive REPL/TUI tool that gives AI coding agents a persistent, structured memory layer via a… | 10 | 4958 | active |
| ethanniser/NextFaster NextFaster is a highly performant e-commerce template built with Next.js 15, featuring partial prerendering, Server Actions, Drizzle ORM on… | 64 | 4875 | active |
| infiniflow/infinity Infinity is an AI-native database built for LLM applications, offering high-performance hybrid search across dense vectors, sparse vectors,… | 99 | 4740 | active |
| VectifyAI/OpenKB OpenKB is an open-source CLI tool that compiles raw documents (PDF, Word, Markdown, HTML, and more) into a structured, interlinked wiki-sty… | 71 | 4717 | active |
| Rivet Rivet is an open-source visual AI programming environment consisting of a desktop IDE for building AI agents and prompt chains via a node-b… | 73 | 4708 | active |
| o2oa/o2oa O2OA is a 100% open-source (AGPL-3.0) enterprise office automation (OA) and collaboration platform built on a JavaEE distributed architectu… | 76 | 4683 | active |
| ruc-datalab/DeepAnalyze DeepAnalyze is the first agentic LLM (DeepAnalyze-8B, built on Qwen) for autonomous data science, capable of running the full pipeline from… | 61 | 4655 | active |
| NateBJones-Projects/OB1 Open Brain is a self-hosted personal memory infrastructure combining a vector-search database, an AI gateway, and an MCP server so any AI t… | 58 | 4632 | active |
| Memgraph Memgraph is a high-performance, in-memory graph database written in C++ that is Cypher-compatible and ACID-compliant, with built-in vector,… | 96 | 4579 | stable |
| Anakin-Inc/anakin AnakinScraper OSS is a self-hosted web scraping API written in Go that turns any website into LLM-ready markdown or structured JSON via a s… | 68 | 4535 | active |
| JoshuaC215/agent-service-toolkit A full toolkit for building and running an AI agent service using LangGraph, FastAPI, and Streamlit. It provides a template including a Lan… | 68 | 4531 | active |
| Embabel Agent Framework Embabel Agent is an agentic AI framework for the JVM, written in Kotlin with first-class Java and Spring Boot support. It provides typed, g… | 87 | 4513 | active |
| pydantic/logfire Pydantic Logfire is an AI observability platform built on OpenTelemetry that traces LLM calls, agent runs, and application telemetry in one… | 87 | 4512 | active |